JOURNAL SYSTEM. 9 - Focus on Research and Training Institutes . Africa Development, [S. l.], v. 7, n. 4, 1982. DOI: 10.57054/ad.v7i4.3241. Disponível em: https://journals.codesria.org/index.php/ad/article/view/3241. Acesso em: 19 jun. 2025.